condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0160719 0.0 0.0482157 12 h after light 0.031689666666666665 0.0 0.095069 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0